Bartels Group
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Group Members

 

Randy Bartels

Prof. Randy Bartels

Group Leader: Office Phones: (970) 491-1464, x1-8971, FAX x1-8671, Lab x1-8825
Offices: Main Campus, C-103B; ERC B-213; Lab ERC B-212

Randy A. Bartels received his Ph.D. from the University of Michigan 2002. His Ph.D. work was performed at JILA in Boulder , CO , where he worked on ultrafast laser development, coherent control of quantum systems, and the study of extreme nonlinear optical processes. Among other advances, this work led to the development of attophysics by manipulating the strong-field dynamics of atomic electron wave functions with ~ 20 attosecond precision. During his graduate career, Randy was supported by a National Defense Science and Engineering Graduate Fellowship and received numerous awards, including the Optical Society of America's New Focus Student Research Award, a JILA scientific achievement award, and selection as a finalist for the DAMOP Thesis Award (winner to be decided in May 2004 at the DAMOP annual meeting). Prior to graduate school, he worked in the Laser Science and Technology division at Lawrence Livermore National Laboratory designing and building diode-pumped solid-state laser systems. Randy joined Colorado State University as an assistant professor in January of 2003. His current research involves the control of molecular coherences for novel nonlinear optics and manipulation of ultrafast optical pulses, as well as development of EUV laser sources and optical systems. He is a member of the Optical Society of America, the American Physical Society, and IEEE.

 

Philip Schlup

Dr. Philip Schlup

Research Scientist: Office Phone (970) 491-8851, Lab x1-8825
Office: ERC B-307; Lab ERC B-212

Philip Schlup obtained his PhD from the University of Otago, New Zealand, in 2003. His work focused on passive methods of spectral control of ns optical parametric oscillators to make sources suitable for chemical and atmospheric spectroscopy. His work included the design and construction of diode-pumped solid state laser pump sources including Q-switched and cw-intracavity systems. During a 3-year position at the Swiss Federal Institute of Technology (ETH Zurich), Philip worked on ultrabroadband femtosecond optical parametric amplifiers, CEP-stabilized lasers, and the development of a reaction microscope for probing photoionization dynamics in atoms and small molecules. He is a member of the Optical Society of America and the Deutsche Physikalische Gesellschaft (German Physical Society).

 

Omid Masihzadeh

Omid Masihzadeh

Graduate Student: Office Phone (970) 491-8862, Lab x1-8825
Office: ERC B-211; Lab ERC B-212

Omid graduated from University of Colorado at Denver with a EE Masters degree in digital signal processing, simultaneously working in the superconducting quantum lab designing SQUIDs at the Physics department at CU Denver. Prior to studying, Omid worked at Agilent Technologies in Loveland designing algorithm pattern generation and power supplies. In the Bartels group, Omid is working on imaging microscopy.

 

Jesse Wilson

Jesse Wilson

Graduate Student: Office Phone (970) 491-8863, Lab x1-8825
Office: ERC B-211; Lab ERC B-212

Jesse Wilson graduated from Colorado State University in 2004 with a double major in Computer Science and Electrical Engineering. Afterwards, he went on to work with the Bartels group, and has recently completed a M.S. degree working on a pulse shaper and intelligent algorithms for coherent control experiments in the lab. His current Ph.D. research involves further investigation of these coherent control algorithms with applications to quantum computing, molecular spectroscopy, and biological imaging. Jesse is a member of the Optical Society of America.

 

David Winters

David Winters

Graduate Student: Office Phone (970) 491-8863, Lab x1-8825
Office: ERC B-211; Lab ERC B-212

David Winters joined the group in 2005 after receiving his degree in physics from the University of Washington. His current research interests include femtosecond comb stabilization and tunable fiber-based CARS sources. He is a member of the American Physical Society.

 

David Kupka

David Kupka

Graduate Student: Office Phone (970) 491-8189, Lab x1-8825
Office: ERC B-216; Lab ERC B-212

David Kupka is a second year graduate student. He earned a B.A. in physics from Gustavus Adolphus College in 2004. Before pursuing a Ph.D. in physics and joining the Bartels group, he worked as an electronics technician for Guidant Corporation (now Boston Scientific), working in the returns area testing pacemakers for failure modes.

David is currently working on Imaging Microscopy.

 

Greg Futia

Greg Futia

Graduate Student: Office Phone (970) 491-8189, Lab x1-8825
Office: ERC B-216; Lab ERC B-212

Greg is a first year Graduate Student in the Bartels group. He earned a B.S. in Electrical Engineering from Purdue University graduating in May 2007. During his time as an undergraduate, he participated in the CO-OP program completing a two year commitment with Bayer HealthCare. At Bayer, Greg gained a background in software development. At Purdue, Greg's course work was focused in the topics of Semiconductors and Signal Processing. He participated in study abroad during the spring semester of 2006 at Universität Stuttgart. Even tough he majored in Electrical Engineering he elected to do the digital senior design project. Greg's senior design team developed and automated car that tracks GPS waypoints. Greg enjoys skiing and has been trying to conquer the moguls for the last few years.

Greg will be working on building a white light interferometer and an Optical Coherence Tomography setup. The two setups are similar. The white light interferometer will be used to measure dispersion in optics and the OCT setup will allow imaging of biological targets such as tumors.

 

Brad Granger

Brad Granger

Graduate Student: Office Phone (970) 491-8189, Lab x1-8825
Office: ERC B-216; Lab ERC B-212

Brad received a BS in Electrical Engineering from Purdue University in May of 2007. As an undergraduate, Brad took a wide variety of courses from the Electrical Engineering discipline, from microprocessor design to introductory optics. He worked with graduate students in Professor Weiner's Ultrafast Optics and Fiber Communications group to develop a circuit for controlling polarimetry equipment. The circuit and computer interfacing that Brad developed enabled the group to measure the polarization state of light at a higher rate than was before possible.

Brad joined Professor Randy Bartels and the Ultrafast group in Fall 2007 as a first-year graduate student. He is currently working on projects in white light interferometry and optical coherence tomography. The white light interferometry project will be used to measure the dispersion of optical components, an effect of dielectric materials on light that can have significant consequences for experiments. The hope is that new methods in optical coherence tomography will be developed that will be capable of imaging cancer cells as a method of noninvasive and early detection of cancer.

Despite his professors' good intentions to keep him from sunlight, Brad is looking forward to many (several... a couple?) days of skiing the Rockies this winter.

 

Jessica Gleason

Jessica Gleason

Graduate Student: Lab x1-8825
Lab ERC B-212

Jessica graduated from Old Dominion University in Norfolk, VA with a B.S. in Chemistry and a minor in Physics in 2008. As an undergraduate, she was involved in molecular modeling of of enzymes using CHARMM and solid state NMR of fertilized soils and oil shale.

She is currently pursuing a PhD in Chemistry with a focus in inorganic materials and joined Randy Bartels' group in January 2009. Current research interests include the characterization of inorganic materials using ultrafast pulses, nanomachining, and increased efficiency of third harmonic generation in plasmas.

Outside of lab, Jessica loves to rock climb, hike, and ski.

 

Ryan Trott

Ryan Trott

Graduate Student: Lab x1-8825
Lab ERC B-212

Ryan Trott graduated from Southern Adventist University with a B.S. in Chemistry in 2005. After a few years spent collecting his thoughts he joined Colorado State University in 2008 with the intent of completing a PhD in Physical Chemistry. He is currently working jointly with Dr. Randy Bartels and Dr. Nancy Levinger on exploring the generation of third harmonic signal at liquid-solid interfaces.

Former Group Members

Klaus Hartinger

Klaus Hartinger received his Dipl. Ing. (FH) in microsystems engineering from the University of Applied Sciences in Regensburg, Germany in 2001. Following that, he earned a M.S. degree from the Colorado State University, Fort Collins, CO, in 2003, having worked on the implementation of an algorithm designed to find statistically significant homologies between amino acid sequences in proteins.

Klaus defended his PhD thesis on rotational wavepackets in gas-phase molecules in October 2008. He currently works with Menlo Systems.

Srinivasan Nirmalghandi Srini developed a shearing interferometer for testing an EUV lithography optic. After graduation, he joined Nanometrics.

"Graduate school taught me the way to approach the problem and arrive at a meaningful solution. I spent a major portion of my graduate life with the EUV center. The center gave me an opportunity to work on cutting edge technologies that are being actively pursued by the industrial leaders. Collaborative research with partner institutions of the EUV center widened my exposure to various high-end developments in various parts of the world. I acknowledge the efforts of the faculty members of the center, universal experts in their respective fields, in guiding the students to accomplish their dreams."